Indian Society of Genetics & Plant Breeding

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PHENOTYPIC STABILITY FOR QUANTITATIVE CHARACTERS IN SUNFLOWER (HELIANTHUS ANNUS L.) IN MANIPUR

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Eleven genotypes, grown in three artificially created environments for two seasons, were
analysed for stability for plant height, days to 500/0 flowering and maturity, head diameter,
100-seed weight, percent seeds filled per head, seed yield per plant, and oil content.
Genotype X environment interaction was significant for all the characters studied. Both
linear and nonlinear components were important in all characters, except plant height and
seeds filling in which only nonlinear component was predominant. Genotype lET-23 was
stable for most characters. Genotypes IET-27 and IET-29 were stable in better environment.
The variety Morden was most unstable for all the characters under study.
 

Keywords: Stability; sunflower, G x E interaction, quantitative characters.

Info

Year: 1997
Volume: 57
Issue: 2
Article DOI: NA
Print ISSN: 0019-5200
Online ISSN: 0975-6906

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